package com.gdit.zax.utils;

import java.security.MessageDigest;

public class MD5 {   
	  
    public static String getMD5(String content) {   
        try {   
            MessageDigest digest = MessageDigest.getInstance("MD5");   
            digest.update(content.getBytes());   
            return getHashString(digest);
        } catch (Exception e) {   
            e.printStackTrace();   
        }   
        return null;   
    }
    
    private static String getHashString(MessageDigest digest) {   
        StringBuilder builder = new StringBuilder();   
        for (byte b : digest.digest()) {   
            builder.append(Integer.toHexString((b >> 4) & 0xf));   
            builder.append(Integer.toHexString(b & 0xf));   
        }   
        return builder.toString();   
    }   
}  